Technical Specifications

This section describes the technical specifications of GaussDB(DWS) in different versions.

**Table 1** Technical specifications of GaussDB(DWS) 8.1.3 – 8.2.1
Technical Specifications	Maximum Value of 8.1.3	Maximum Value of 8.2.0	Maximum Value of 8.2.1
Number of cluster nodes	2048	2048	2048
Number of concurrent connections	Number of concurrent complex queries in minutes: 80 Number of short queries in seconds: 500 Number of concurrent short transactions in milliseconds: 5000	Number of concurrent complex queries in minutes: 80 Number of short queries in seconds: 500 Number of concurrent short transactions in milliseconds: 5000	Number of concurrent complex queries in minutes: 80 Number of short queries in seconds: 500 Number of concurrent short transactions in milliseconds: 5000
Cluster data capacity	20 PB	20 PB	20 PB
Size of a single table	1 PB	1 PB	1 PB
Size of data in each row	1 GB	1 GB	1 GB
Number of columns in a single table: (excluding Hudi tables)	1600	1600	1600
Number of columns in a Hudi table	-	-	5000
Number of partitions of the partitioned table	32,768	32,768	32,768
RTO after a SPOF	60s	60s	60s
RPO after a SPOF	0	0	0
RTO after cluster DR switchover	60min	60min	60min
RPO after cluster DR switchover	60min	60min	60min

**Table 2** Technical specifications of GaussDB(DWS) 8.0.x-8.1.1
Technical Specifications	Maximum Value of 8.0.x	Maximum Value of 8.1.0	Maximum Value of 8.1.1
Data capacity	10 PB	10 PB	20 PB
Number of cluster nodes	256	256	2048
Size of a single table	1 PB	1 PB	1 PB
Size of data in each row	1 GB	1 GB	1 GB
Size of a single column in each record	1 GB	1 GB	1 GB
Number of records in each table	2⁵⁵	2⁵⁵	2⁵⁵
Number of columns in each table	1600	1600	1600
Number of indexes in each table	Unlimited	Unlimited	Unlimited
Number of columns in the index of each table	32	32	32
Number of constraints in each table	Unlimited	Unlimited	Unlimited
Number of concurrent connections	Number of concurrent complex queries in minutes: 60 Number of concurrent short transactions in milliseconds: 5000	Number of concurrent complex queries in minutes: 60 Number of concurrent short transactions in milliseconds: 5000	Number of concurrent complex queries in minutes: 80 Number of concurrent short transactions in milliseconds: 5000
Number of partitions in a partitioned table	32,768	32,768	32,768
Size of each partition in a partitioned table	1 PB	1 PB	1 PB
Number of records in each partition in a partitioned table	2⁵⁵	2⁵⁵	2⁵⁵

The maximum number of concurrent connections is based on the data warehouse with the cloud disk flavor of 48 vCPUs or 64 vCPUs. For example, dwsk.12xlarge (48 vCPU | 384GB | 24000GB SSD) or dwsx2.16xlarge.m7 (64 vCPU | 512GB | 32000GB SSD) of a standard data warehouse.

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